Biology, 2019, JAMB Exam, Exam, Paper 1 | Objectives

Paper Info

Year :

2019

Title :

Biology

Exam :

JAMB Exam

Paper 1 | Objectives

71 - 80 of 80 Questions

#	Question	Ans
71.	Which of the following factors is not considered in a terrestial habitat? A. Temperature B. Sunlight C. Humidity D. Turbidity Show Content Detailed Solution Turbidity is not a factor in terrestrial habitat it is a factor in aquatic habitat because turbidity also means cloudy which is an aquatic factor. There is an explanation video available below.	D
72.	What type of vertebrate assists in breathing alongside with the ribs? A. Sacral B. Caudal C. Thoracic D. Lumber Show Content Detailed Solution Thoracic cavity assists in breathing alongside the ribs because it is found in the chest region. There is an explanation video available below.	C
73.	Which of the following statement is correct about Southern Guinea Savanna in Nigeria A. It is the largest of all the biotic community in Nigeria B. It has no plants species C. It has plants species like Iroko, Opepe etc D. It has no trees Show Content Detailed Solution Southern Guinea Savanna is the largest of all biotic community in Nigeria found in Oyo, Osun, Ekiti Status etc. There is an explanation video available below.	A
74.	In an ecosystem, the organism which changes light energy into stored chemical energy is the A. Consumer B. Producer C. Decomposer D. Carnivore Show Content Detailed Solution In an ecosystem the organism which changes light energy into stored chemical energy is the producer. There is an explanation video available below.	B
75.	In the theory of use and disuse Lamarck proposed that evolution occurred because of the following except A. There is natural selection of offspring B. There is great changes in the environment C. Organism develop specialised characters D. The characters are inheritable Show Content Detailed Solution In the theory of use and disuse by Lamarck Jean he did not propose that there is natural selection of offspring. There is an explanation video available below.	A
76.	The basis of growth involves the following processes except A. Cell reduction B. Cell division C. Cell enlargement D. Cell differentiation Show Content Detailed Solution During the process of growth the cell does not reduce, it divides, enlarges and differentiates. There is an explanation video available below.	A
77.	Which of the following organs can be considered vestigial in humans but functional in other mammals A. The liver B. Appendix C. Rectum D. Stomach Show Content Detailed Solution Vestigial organs are remaining parts of one's functioning organ e.g appendix in human which function as caecum in herbivore which are minute and are incomplete organs with no special function. There is an explanation video available below.	B
78.	The study which involves the inter-relationship between groups of organisms or species of organisms living together in an area is A. Autecology B. Ecological niche C. Synecology D. Ecosphere Show Content Detailed Solution Synecology involves the inter-relationship between groups of organism or species of organisms living together in an area. There is an explanation video available below.	C
79.	Thunderstorm can be beneficial to plants because it A. adds line to the soil B. kills the pest that attacks crops C. destroys some of the major crops D. adds nitrate to the soil Show Content Detailed Solution One of the process in which nutrient is fixed into the soil is electrical discharge which helps to add nutrient and nitrate to the soil. There is an explanation video available below.	D
80.	A flowering plant having both the male and female flowers on the same plant is said to be A. Regular B. Irregular C. Monoecious D. Dioecious Show Content Detailed Solution Flowering plants having both the male and female flowers on the same flower are called Monoecious plants There is an explanation video available below.	C

71.	Which of the following factors is not considered in a terrestial habitat? A. Temperature B. Sunlight C. Humidity D. Turbidity Show Content Detailed Solution Turbidity is not a factor in terrestrial habitat it is a factor in aquatic habitat because turbidity also means cloudy which is an aquatic factor. There is an explanation video available below.	D
72.	What type of vertebrate assists in breathing alongside with the ribs? A. Sacral B. Caudal C. Thoracic D. Lumber Show Content Detailed Solution Thoracic cavity assists in breathing alongside the ribs because it is found in the chest region. There is an explanation video available below.	C
73.	Which of the following statement is correct about Southern Guinea Savanna in Nigeria A. It is the largest of all the biotic community in Nigeria B. It has no plants species C. It has plants species like Iroko, Opepe etc D. It has no trees Show Content Detailed Solution Southern Guinea Savanna is the largest of all biotic community in Nigeria found in Oyo, Osun, Ekiti Status etc. There is an explanation video available below.	A
74.	In an ecosystem, the organism which changes light energy into stored chemical energy is the A. Consumer B. Producer C. Decomposer D. Carnivore Show Content Detailed Solution In an ecosystem the organism which changes light energy into stored chemical energy is the producer. There is an explanation video available below.	B
75.	In the theory of use and disuse Lamarck proposed that evolution occurred because of the following except A. There is natural selection of offspring B. There is great changes in the environment C. Organism develop specialised characters D. The characters are inheritable Show Content Detailed Solution In the theory of use and disuse by Lamarck Jean he did not propose that there is natural selection of offspring. There is an explanation video available below.	A

76.	The basis of growth involves the following processes except A. Cell reduction B. Cell division C. Cell enlargement D. Cell differentiation Show Content Detailed Solution During the process of growth the cell does not reduce, it divides, enlarges and differentiates. There is an explanation video available below.	A
77.	Which of the following organs can be considered vestigial in humans but functional in other mammals A. The liver B. Appendix C. Rectum D. Stomach Show Content Detailed Solution Vestigial organs are remaining parts of one's functioning organ e.g appendix in human which function as caecum in herbivore which are minute and are incomplete organs with no special function. There is an explanation video available below.	B
78.	The study which involves the inter-relationship between groups of organisms or species of organisms living together in an area is A. Autecology B. Ecological niche C. Synecology D. Ecosphere Show Content Detailed Solution Synecology involves the inter-relationship between groups of organism or species of organisms living together in an area. There is an explanation video available below.	C
79.	Thunderstorm can be beneficial to plants because it A. adds line to the soil B. kills the pest that attacks crops C. destroys some of the major crops D. adds nitrate to the soil Show Content Detailed Solution One of the process in which nutrient is fixed into the soil is electrical discharge which helps to add nutrient and nitrate to the soil. There is an explanation video available below.	D
80.	A flowering plant having both the male and female flowers on the same plant is said to be A. Regular B. Irregular C. Monoecious D. Dioecious Show Content Detailed Solution Flowering plants having both the male and female flowers on the same flower are called Monoecious plants There is an explanation video available below.	C

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